The volume of a solid hemisphere is numerically equal to its total sur
Right Answer is: A
Volume of hemisphere is given by = (2/3 π r3)
And total surface area is given by = 3 π r2
Volume of hemisphere = total surface area
2/3 π r3 =3 π r2
⇒ r= 9/2= 4 (1/2) units
Hence, the radius is 4 (1/2) units.